作物要获得高产,必须有健壮的幼苗为基础,要培育壮苗,首先必须有饱满优质的种子。本文仅就近年来,国外对麦类作物种子大小及其氮化物含量与幼苗生长关系的研究情况作扼要介绍。 Crops to obtain high yield, there must be robust seedlings as a foundation, to cultivate strong seedlings, we must first have full high-quality seeds. This article only in recent years, foreign crop size of wheat crops and the relationship between the nitride content and seedling growth of the situation briefly introduced.